Video: Google's smart contact lens

Google is working on a smart contact lens prototype that monitors glucose levels in tears. The technology could end finger pricks for diabetics. It still needs to be tested and proved accurate and safe to win FDA approval. (Jan.16)

This undated photo released by Google shows a contact lens Google is testing to explore tear glucose. After years of scalding soldering hair-thin wires to miniaturize electronics, Brian Otis, Google X project lead, has burned his fingertips so often that he can no longer feel the tiny chips he made from scratch in Google’s Silicon Valley headquarters, a small price to pay for what he says is the smallest wireless glucose sensor that has ever been made. (AP Photo/Google)

Google is working on a smart contact lens prototype that monitors glucose levels in tears. The technology could end finger pricks for diabetics. It still needs to be tested and proved accurate and safe to win FDA approval. (Jan.16)